<template>
  <div class="goods-comment">
    <div class="head">
      <div class="data">
        <p><span>{{commentInfo.salesCount}}</span><span>人购买</span></p>
        <p><span>{{commentInfo.praisePercent}}</span><span>好评率</span></p>
      </div>

      <div class="tags">
        <div class="dt">大家都在说:</div>
        <div class="dd">
          <!-- <a href="javascript:;" class="active">全部评价（1000）</a>
          <a href="javascript:;">好吃（1000）</a>
          <a href="javascript:;">便宜（1000）</a>
          <a href="javascript:;">很好（1000）</a>
          <a href="javascript:;">再来一次（1000）</a>
          <a href="javascript:;">快递棒（1000）</a> -->

          <a
            v-for="(item,i) in commentInfo.tags"
            :key="item.title"
            href="javascript:;"
            :class="{active:currTagIndex===i}"
            @click="changeTag(i)"
          >
            {{item.title}}（{{item.tagCount}}）
          </a>
        </div>
      </div>
    </div>

    <div class="sort" v-if="commentInfo">
       <span>排序：</span>
      <a href="javascript:;"  @click="changeSort(null)" :class="{active:reqParams.sortField===null}">默认</a>
      <a href="javascript:;" @click="changeSort('createTime')" :class="{active:reqParams.sortField==='createTime'}">最新</a>
      <a href="javascript:;" @click="changeSort('praiseCount')" :class="{active:reqParams.sortField==='praiseCount'}">最热</a>
    </div>

    <div class="list">
      <div class="item" v-for="item in commentList" :key="item.id">
        <div class="user">
          <img :src="item.member.avatar" alt="">
          <span>{{formatNickname(item.member.nickname)}}</span>
        </div>

        <div class="body">
          <div class="score">
            <!-- <i class="iconfont icon-wjx01"></i>
            <i class="iconfont icon-wjx01"></i>
            <i class="iconfont icon-wjx01"></i>
            <i class="iconfont icon-wjx01"></i>
            <i class="iconfont icon-wjx02"></i> -->

            <i v-for="i in item.score" :key="i+'1'" class="iconfont icon-wjx01"></i>
            <i v-for="i in 5-item.score" :key="i+'2'" class="iconfont icon-wjx02"></i>
            <span class="attr">{{formatSpecs(item.orderInfo.specs)}}</span>
          </div>

          <div class="text">
            <!-- 网易云app上这款耳机非常不错 新人下载网易云购买这款耳机优惠大 而且耳机🎧确实正品 音质特别好 戴上这款耳机 听音乐看电影效果声音真是太棒了 无线方便 小盒自动充电 最主要是质量好音质棒 想要买耳机的放心拍 音效巴巴滴 老棒了 -->
            {{item.content}}

            <!-- 使用图片预览组件 -->
            <goods-comment-image v-if="item.pictures.length" :pictures="item.pictures"></goods-comment-image>
          </div>

          <div class="time">
            <span>{{item.createTime}}</span>
            <span class="zan"><i class="iconfont icon-dianzan"></i>{{item.praiseCount}}</span>
          </div>
        </div>
      </div>
    </div>

    <XtxPagination @current-change="changePager" :total="total" :current-page="reqParams.page"  />
  </div>
</template>

<script>
import { findCommentInfoByGoods, findGoodsCommentList } from '@/api/goods.js'

import { reactive, ref, watch } from 'vue'

// 使用图片预览组件
import GoodsCommentImage from '@/views/goods/components/goods-comment-image'
const getCommentInfo = (props) => {
  const commentInfo = ref(null)

  console.log('getcommentInfo', props.goods)
  findCommentInfoByGoods(props.goods.id).then(data => {
    data.result.tags.unshift({ type: 'img', title: '有图', tagCount: data.result.hasPictureCount })
    data.result.tags.unshift({ type: 'all', title: '全部评价', tagCount: data.result.evaluateCount })

    commentInfo.value = data.result
  })

  return commentInfo
}
export default {
  name: 'GoodsComment',

  props: {
    goods: {
      type: Object,
      default: () => {}
    }
  },

  components: {
    GoodsCommentImage
  },

  setup (props) {
    const commentInfo = getCommentInfo(props)

    const currTagIndex = ref(0)
    const changeTag = (i) => {
      currTagIndex.value = i

      // 设置有图和标签条件

      const currTag = commentInfo.value.tags[i]

      if (currTag.type === 'all') {
        reqParams.hasPicture = false
        reqParams.tag = null
      } else if (currTag.type === 'img') {
        reqParams.hasPicture = true
        reqParams.tag = null
      } else {
        reqParams.hasPicture = false
        reqParams.tag = currTag.title
      }
      reqParams.page = 1
    }

    // 评论的筛选条件

    const reqParams = reactive({
      page: 1,
      pageSize: 10,
      hasPicture: null,
      tag: null,
      sortField: null
    })

    const changeSort = (sortField) => {
      reqParams.sortField = sortField
      reqParams.page = 1
    }

    const commentList = ref([])

    const total = ref(0)
    watch(reqParams, async () => {
      const data = await findGoodsCommentList(props.goods.id, reqParams)

      commentList.value = data.result.items
      total.value = data.result.counts
    }, { immediate: true })

    // 转换数据，类似过滤器
    const formatSpecs = (specs) => {
      return specs.reduce((p, c) => `${p} ${c.name}: ${c.nameValue}`

        , '').trim()
    }

    const formatNickname = (nickName) => {
      return nickName.substr(0, 1) + '****' + nickName.substr(-1)
    }

    const changePager = (newPage) => {
      reqParams.page = newPage
    }

    return { commentInfo, currTagIndex, changeTag, changeSort, commentList, reqParams, formatSpecs, formatNickname, total, changePager }

    // return { commentInfo }
  }
}
</script>

<style lang="less" scoped>
.goods-comment {
  .head {
    display: flex;
    padding: 30px 0;
    .data {
      width: 340px;
      display: flex;
      padding: 20px;
      p {
        flex: 1;
        text-align: center;
        span {
          display: block;
          &:first-child {
            font-size: 32px;
            color: @priceColor;
          }
          &:last-child {
            color: #999;
          }
        }
      }
    }
    .tags {
      flex: 1;
      display: flex;
      border-left: 1px solid #f5f5f5;
      .dt {
        font-weight: bold;
        width: 100px;
        text-align: right;
        line-height: 42px;
      }
      .dd {
        flex: 1;
        display: flex;
        flex-wrap: wrap;
        > a {
          width: 132px;
          height: 42px;
          margin-left: 20px;
          margin-bottom: 20px;
          border-radius: 4px;
          border: 1px solid #e4e4e4;
          background: #f5f5f5;
          color: #999;
          text-align: center;
          line-height: 40px;
          &:hover {
            border-color: @xtxColor;
            background: lighten(@xtxColor,50%);
            color: @xtxColor;
          }
          &.active {
            border-color: @xtxColor;
            background: @xtxColor;
            color: #fff;
          }
        }
      }
    }
  }
  .sort {
    height: 60px;
    line-height: 60px;
    border-top: 1px solid #f5f5f5;
    border-bottom: 1px solid #f5f5f5;
    margin: 0 20px;
    color: #666;
    > span {
      margin-left: 20px;
    }
    > a {
      margin-left: 30px;
      &.active,&:hover {
        color: @xtxColor;
      }
    }
  }

    .list {
    padding: 0 20px;
    .item {
      display: flex;
      padding: 25px 10px;
      border-bottom: 1px solid #f5f5f5;
      .user {
        width: 160px;
        img {
          width: 40px;
          height: 40px;
          border-radius: 50%;
          overflow: hidden;
        }
        span {
          padding-left: 10px;
          color: #666;
        }
      }
      .body {
        flex: 1;
        .score {
          line-height: 40px;
          .iconfont {
            color: #ff9240;
            padding-right: 3px;
          }
          .attr {
            padding-left: 10px;
            color: #666;
          }
        }
      }
      .text {
        color: #666;
        line-height: 24px;
      }
      .time {
        color: #999;
        display: flex;
        justify-content: space-between;
        margin-top: 5px;
      }
    }
  }
}
</style>
